SANGOJU, B.; RAMANJANEYULU, K. Evaluation of thickness and identification of defects in masonry elements using impact-echo technique. Journal of Structural Engineering, [S. l.], v. 42, n. 6, p. 485–493, 2025. Disponível em: http://jose.serc.res.in/index.php/JOSE/article/view/1196. Acesso em: 4 apr. 2025.